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电线的规格×是什么意思

2009-02-15 13:39:54| 分类：工控知识 | 标签： |举报 |字号大中小订阅

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电线的规格*×*，你指的是不是“2x2.5 mm2”中的*×*，一般俗称“乘”即2芯每根2.5 mm2

一个指截面积一个指芯数

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